What operation on both sides of the equation 6x=43 isolates the variable on one side?

Pls will give brainliest and all p.s u can zoom in if u cant see plss

Which of these triangle pairs can be mapped to each other using two reflections?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?